Convert

JSON to TypeScript

Generate TypeScript interfaces from any JSON sample. Handles nested objects, arrays and optional keys automatically.

Root name

JSON input

TypeScript

export interface Root {
  id: number;
  name: string;
  roles: string[];
  profile: Profile;
}

export interface Profile {
  email: string;
}

Why use our JSON to TypeScript?

Everything runs in your browser. Your data never leaves your device — safe for production payloads.

No round trips, no rate limits, no login. Format, validate and inspect megabytes of JSON in milliseconds.

Follows RFC 8259 / ECMA-404 exactly. Reports errors with precise line and column diagnostics.

Validate JSON syntax against RFC 8259 in real time. Precise line and column error reporting, 100% client-side.

Interactive collapsible tree viewer for large JSON documents with search, copy-path, and syntax highlighting.

Strip whitespace and shrink JSON payloads to the smallest possible size for APIs, storage, and network transfer.

Explore nested JSON as an interactive tree — expand, collapse, filter and copy JSON paths of any node.

Side-by-side comparison of two JSON documents with structural highlighting to spot differences instantly.

Structural diff of two JSON objects or arrays showing added, removed and modified keys with paths.